linux-kernel - Re: [PATCH v2] block: make the io

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Message-ID: <41175786-8a02-62e0-fc79-955ec0e74aeb@kernel.dk>
Date:   Wed, 25 Dec 2019 20:39:31 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Wen Yang <wenyang@...ux.alibaba.com>
Cc:     Joseph Qi <joseph.qi@...ux.alibaba.com>, xlpang@...ux.alibaba.com,
        Mikulas Patocka <mpatocka@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] block: make the io_ticks counter more accurate

On 12/25/19 8:10 PM, Wen Yang wrote:
> Instead of the jiffies, we should update the io_ticks counter
> with the passed in parameter 'now'.

I'm still missing some justification for this. What exactly is this
patch trying to solve or improve? Your commit message says "we should",
but why?

-- 
Jens Axboe